Download e-book for kindle: Artificial Receptors for Chemical Sensors by Vladimir M. Mirsky, Anatoly Yatsimirsky

By Vladimir M. Mirsky, Anatoly Yatsimirsky

The 1st to supply systematically prepared details on all 3 vital elements of synthetic receptor layout, this publication brings jointly wisdom on an incredibly scorching and multidisciplinary box of study. powerful emphasis is put on the method for locating synthetic receptors, with either definitions for chemosensitivity in addition to experimental setups provided. There follows insurance of diverse periods of man-made receptors, together with synthesis, immobilization on surfaces, and quantitative facts on houses. The 3rd a part of the publication makes a speciality of receptor arrays for man made nostril and tongue purposes and the entire is rounded off with an outlook and an appendix with all appropriate quantitative info on man made receptors.

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Extra resources for Artificial Receptors for Chemical Sensors

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In traditional supramolecular chemistry selectivity is characterized by the hole-size fitting concept [1], which, however, requires significant modifications. As has been shown in particular Artificial Receptors for Chemical Sensors. M. K. Yatsimirsky Copyright Ó 2011 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim ISBN: 978-3-527-32357-9 j 2 Selectivity of Chemical Receptors 18 with coordination complexes, an optimal affinity is reached if bonds between transition metal ions and the donor functions are formed with a minimum of strain energy [4, 5].

This is typically the case when R is a strongly absorbing or highly fluorescent signaling compound. In such a situation the fraction of bound analyte is always small; its equilibrium concentration is approximately equal to its total concentration and the selectivity is given by Eq. 1): ½RXŠ=½RYŠ ¼ KRX ½XŠ=KRY ½YŠ ¼ ðKRX =KRY Þ Â ð½XŠ=½YŠÞ ð2:1Þ It follows from Eq. 1) that the selectivity is independent of the concentration of R, and if one has, for example, an equimolar mixture of analytes the selectivity is given solely by the ratio of the binding constants at any total concentration of analytes.

73, 225A–229A. , and Rapp, M. (2008) Anal. Bioanal. , 391, 1509–1520. A. (2008) Chem. , 108, 522–542. M. J. ) (2008) Handbook of Surface Plasmon Resonance, RSC Publishing, Cambridge. (2008) Chem. , 108, 462–493. , and Sun, Y. (2008) Anal. Chim. Acta, 620, 8–26. j15 j17 2 Selectivity of Chemical Receptors Hans-J€org Schneider and Anatoly K. 1 Introduction Selectivity is obviously a primary issue in the design of sensors, in addition to sensitivity. The theoretical correlation between the two aims is discussed first.

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